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Sunday, February 9, 2014

I had 3 interviews. There were eliminations after every round of interview.

1st interview - She asked me to
introduce myself and why i chose computer science as my branch. I told
her its because I had computers as a subject since school days. I used
to have basics of C and java and I used to love it. Then she drew a
binary tree on a white page and asked me to write code to find out the
number of leaf nodes. I couldn't do that properly, she was very sweet.
She helped me throughout, gave me hints and stuff. Then she asked me
what my favorite subject was. I told its java. She gave me 2 numbers in 2
strings, like say, s1=123, s2=5678. I wrote the code and she told the
logic was good. Then she asked me puzzles (1. given 5lit and 3 lit
capacity cans, I have to measure 4 litres. 2. Given 2 candles each of
which lights for 1 hr each, I have to measure 45 mins using those 2
candles completely). Then she asked me easy questions like OOPS
features, overloading and overriding(which is static and which is
dynamic), semaphores etc., basic stuff. Then she asked me if I am
comfortable with databases. I said- frankly speaking- No, but am perfect
with the basics of databases. I was asked why am not comfortable with
it, I told its because I did not work much with databases during my
project. Then she asked me few SQL queries on joins. Then projects, I
think that was it. This round went on for about 1hr 35mins.
I thought I will get rejected right after this round because of the
binary tree coding, but I realized one need not answer all the questions
perfectly. This round was to test your coding skills and logical
abilities. Also go through linked list questions(reversing and stuff,
refer sameer's linked list set of questions, I will attach it, they will
help a lot), coin puzzles and sudoku solving pseudo code. These
questions were also asked in few panels.

2nd interview - I was asked to
introduce myself in a technical way, my hobbies, my likes and dislikes (
take full opportunity of this question and speak confidently, turn the interview
to your side). I was asked about my projects( including logic how you
implemented it). If your project involves any databases, be perfect with
it. He asked a question - class A creates class B object, B creates C's
object and C creates A's object. What will compliler do in this
situation, warning or error. Then questions on overloading, overriding,
#include and import difference, macros and variable difference, virtual
functions, run time polymorphism, IP address...etc. Many questions but
all are just basics.
This round basically was to test your understanding of basics, about
yourself and how confident you are. This round went on for about 1hr. No
preparation helps for this round, its just presence of mind and good
knowledge of basics that is required.

3rd interview - I was asked if I have any
experience in java, I told yes, I did a project. He asked me questions
on my project. He asked if I know any other programming languages other
than java, I told C and C++. I was asked the difference between malloc()
and calloc() functions, memset() function. He asked me to write code
for bubble sort( I wrote for binary search absent minded, and then asked
him again what he asked me to write, wrote for bubble sort again). He
asked me why he should hire me, few linked list questions, job offers I
got. That was it. This round went on for 30mins.